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ID
03
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Utility
/
uuid-generator
UUID Generator
in-browser
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How it works
Click Generate to create a new UUID.
Use bulk mode to generate multiple UUIDs at once.
Copy any UUID to clipboard with one click.
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5900eeff-e7ff-4650-beeb-80dff79a9d42
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Quick Answers
(3)
What is a UUID v4?
UUID v4 is a universally unique identifier generated using random numbers. It has 122 random bits, making collisions virtually impossible.
Is this generated securely?
Yes, UUIDs are generated using crypto.getRandomValues(), a cryptographically secure random number generator built into your browser.
What is the format?
A UUID v4 follows the pattern xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx, where x is a random hex digit and y is one of 8, 9, a, or b.